| 1 | namespace CascadeIDE.Services.ChordNotation; |
| 2 | |
| 3 | /// <summary> |
| 4 | /// Слой нормализации: сырые шаги Vim-стиля → <see cref="NormalizedKeySequence"/>. |
| 5 | /// </summary> |
| 6 | public static class ChordSemanticNormalizer |
| 7 | { |
| 8 | public static NormalizedKeySequence FromVimSteps(IReadOnlyList<ChordNotationStep> steps) |
| 9 | { |
| 10 | if (steps.Count == 0) |
| 11 | return NormalizedKeySequence.Empty; |
| 12 | |
| 13 | var list = new List<NormalizedSequenceStep>(steps.Count); |
| 14 | foreach (var s in steps) |
| 15 | { |
| 16 | switch (s) |
| 17 | { |
| 18 | case ChordNotationChordStep ch: |
| 19 | list.Add(new NormalizedChordStep(MapVimPrefixes(ch.ModifierPrefixes), NormalizeKeySymbol(ch.Key))); |
| 20 | break; |
| 21 | case ChordNotationPlainStep pl: |
| 22 | list.Add(new NormalizedPlainKeyStep(NormalizeKeySymbol(pl.Token))); |
| 23 | break; |
| 24 | } |
| 25 | } |
| 26 | |
| 27 | return new NormalizedKeySequence(list); |
| 28 | } |
| 29 | |
| 30 | private static ChordModifierKeys MapVimPrefixes(IReadOnlyList<string> prefixes) |
| 31 | { |
| 32 | ChordModifierKeys m = 0; |
| 33 | foreach (var p in prefixes) |
| 34 | { |
| 35 | m |= p switch |
| 36 | { |
| 37 | "C-" => ChordModifierKeys.Control, |
| 38 | "M-" or "A-" or "Alt-" => ChordModifierKeys.Alt, |
| 39 | "S-" => ChordModifierKeys.Shift, |
| 40 | "D-" => ChordModifierKeys.Meta, |
| 41 | _ => 0 |
| 42 | }; |
| 43 | } |
| 44 | |
| 45 | return m; |
| 46 | } |
| 47 | |
| 48 | /// <summary>Единый вид символа клавиши: буквы одной буквы — верхний регистр; остальное без лишних правок.</summary> |
| 49 | public static string NormalizeKeySymbol(string key) |
| 50 | { |
| 51 | if (key.Length == 1 && char.IsLetter(key[0])) |
| 52 | return key.ToUpperInvariant(); |
| 53 | return key; |
| 54 | } |
| 55 | } |
| 56 | |